Gemfile in roadie-rails-2.3.0 vs Gemfile in roadie-rails-3.0.0

@@ -6,5 +6,9 @@
 gemspec
 
 # Added here so it does not show up on the Gemspec; I only want it for CI builds
 gem "simplecov", group: :test, require: false
 gem "simplecov-cobertura", group: :test, require: false
+
+# Not actually required to run the tests for the gem, but a real convenience
+# for local development.
+gem "standard", group: [:test, :development], require: false